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Anyone have any good (read: demonstrable) apomorphies for
Therizinosauroidea? The abbreviated metatarsals might be one, but I can't
accept the downturned dentary. Most other characters seem homoplasious at
best or characteristic of larger clades. It seems that the best character
to support therizinosauroid monophyly is "fragmentary skeleton."
Thanks for any help in advance.
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